Long solenoid is fabricated, Physics

A long solenoid is fabricated by closely winding a wire of radius 0.5 mm over a cylindrical nonmagnetic frame so that the successive turns nearly touch every other. What would be the magnetic field B near the centre of the solenoid if it haves a current of 5 A. 

Posted Date: 3/29/2013 3:43:38 AM | Location : United States

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